Heavy-Duty Adapters Up to 1" Drive For heavy plant and commercial vehicles you need adapters that go big. The Solid X 8-Piece Impact Socket Adapter Set covers standard sizes and extends to 1" drive. It includes the industrial 3/4" to 1" and 1" to 3/4" adapters, use truck sockets on a 1" impact gun, or drive 1" sockets with a 3/4" wrench. Few sets offer 1" drive; this one is built for crushing torque. Full Run from 1/4" to 1" The set includes: Small adapters: 1/4" to 3/8" | 3/8" to 1/2" | 1/2" to 3/8" Large adapters: 1/2" to 3/4" | 3/4" to 1/2" | 3/4" to 1" | 1" to 3/4" Step a 1/4" drive up or bring a 1" drive down for total flexibility. At 3/4" and 1" drive, torque often exceeds 1500Nm. Every adapter is CR-MO (Chromium-Molybdenum) to withstand these loads without shearing. Spring-loaded ball retention locks heavy sockets in place. Black phosphate finish resists rust. Key Features 8 CR-MO adapters: 1/4" to 1" drive 3/4" to 1" and 1" to 3/4" for heavy plant and HGV Rated for 1500Nm+ torque Spring-loaded ball retention Black phosphate (anti-rust) Free next day delivery.